Physiology of the Antennce. 



55 



costs many time% as much. Were I obliged to part with 

 either, the latter would go.. 



I require my students to do a great deal of dissecting, 

 which they enjoy very much and find very valuable. I 

 would much rather that my boy should become interested 

 in such study than to have him possessor of infinite gold 

 rings, or even a huge gold watch with a tremendous 

 charm. Let such pleasing recreation gain the attention of 

 our boys, and they will ever contribute to our delight and 

 not sadden us with anxiety and fear. 



The antennae (Fig. 8, a, a) are the horn-like jointed 

 organs situated between, or below and in front of, the large 

 compound eyes of all insects. They are sometimes short, 

 as in the house-fly, and sometimes very long, as in crickets 



Fig. io. 



Antenna oj Bee much magnijied. 



s Scape. 

 / Flagellum. 



i Tracheje. 

 n Nerves. 



and green grass-hoppers. They may be straight, curved, 

 or elbowed. In form they are very varied, as thread-like, 

 tapering, toothed, knobbed, fringed, feathered, etc. The 

 antennae of most Hymenopterous insects are elbowed 

 (Fig. lo). The long first joint in this case is the scape, 

 the remaining joints (Fig. io,_/') the flagellum. A large 

 nerve (Fig lo, «) and a trachea (Fig. lo, f) enter the 



